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Structural and magnetic phase transitions occurring in Pr.sub.0.7./sub.Sr.sub.0.3./sub.MnO.sub.3./sub. manganite at high pressures

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    0422908 - FZÚ 2014 RIV US eng J - Článek v odborném periodiku
    Dang, N.T. - Kozlenko, D. P. - Kichanov, S.E. - Dubrovinsky, L.S. - Jirák, Zdeněk - Levin, D.M. - Lukin, E.V. - Savenko, B. N.
    Structural and magnetic phase transitions occurring in Pr0.7Sr0.3MnO3 manganite at high pressures.
    JETP Letters. Roč. 97, č. 9 (2013), s. 540-545. ISSN 0021-3640. E-ISSN 1090-6487
    Institucionální podpora: RVO:68378271
    Klíčová slova: magnetic phase transitions * crystal and magnetic structure
    Kód oboru RIV: BE - Teoretická fyzika
    Impakt faktor: 1.364, rok: 2013

    The crystal and magnetic structures and the vibrational spectra of Pr0.7Sr0.3MnO3 manganite are studied within the pressure range up to 25 GPa by methods of X ray diffraction and Raman spectroscopy. Neutron diffraction studies have been performed at pressures up to 4.5 GPa. The magnetic phase transition from the ferromagnetic phase (TC= 273 K) to the A -type antiferromagnetic phase (TN= 153 K) is found at P≈2 GPa.This transition is characterized by a broad pressure range corresponding to the phase separation.
    Trvalý link: http://hdl.handle.net/11104/0228991

     
     
Počet záznamů: 1  

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